CN213560945U - Bolt matching machine - Google Patents

Abstract

The utility model discloses a bolt complete sets machine. It includes the workstation, be provided with bolt conveying assembly and nut conveying assembly on the workstation, bolt conveying assembly is including fixing the carriage on the workstation, install annular driving chain on the carriage, be fixed with a plurality of evenly distributed's bolt anchor clamps body on the annular driving chain, nut conveying assembly is including installing the mount in the carriage side, install the manipulator subassembly on the mount, the bottom of manipulator subassembly is rotated and is connected with the gripper jaw, the gripper jaw is located the top of annular driving chain, be provided with a plurality of unloading through-hole on the up end of workstation, the unloading through-hole is located the below of annular driving chain. The utility model has the advantages that: through the full-automatic operation mode, the labor intensity and the production cost of workers are reduced, and the production efficiency is improved.

Description

Bolt matching machine

Technical Field

The utility model relates to a supporting relevant technical field of bolt and nut especially indicates a bolt complete sets machine.

Background

Bolts are typically used in combination with nuts to achieve the connection function. In the production process, the bolt and the nut are generally processed and formed independently, and the bolt and the nut are required to be matched one to one before shipment. In the prior art, the bolt and the nut are combined and matched in a manual mode, namely, the bolt is screwed into the nut manually.

The operation mode has the advantages of high labor intensity, low production efficiency and high production cost, and can not meet the requirement of large-scale production.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the beneath not enough of production efficiency among the prior art, provide a bolt complete sets machine that production work efficiency is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bolt complete set machine, includes the workstation, be provided with bolt conveying assembly and nut conveying assembly on the workstation, bolt conveying assembly is including fixing the carriage on the workstation, install annular driving chain on the carriage, be fixed with a plurality of evenly distributed's bolt anchor clamps body on the annular driving chain, nut conveying assembly is including installing the mount in the carriage side, install the manipulator subassembly on the mount, the bottom of manipulator subassembly is rotated and is connected with the gripper jaw, the gripper jaw is located the top of annular driving chain, be provided with a plurality of unloading through-hole on the up end of workstation, the unloading through-hole is located the below of annular driving chain.

The screw bolt conveying assembly comprises a conveying support fixed on the workbench, an annular transmission chain is mounted on the conveying support, a plurality of uniformly distributed screw bolt clamp bodies are fixed on the annular transmission chain, the nut conveying assembly comprises a fixing frame mounted on the side face of the conveying support, a manipulator assembly is mounted on the fixing frame, the bottom of the manipulator assembly is rotatably connected with a clamping claw, the clamping claw is positioned above the annular transmission chain, a plurality of blanking through holes are formed in the upper end face of the workbench and positioned below the annular transmission chain, the screw bolt conveying assembly drives the screw bolt clamp bodies to perform surrounding motion through the annular transmission chain for matched conveying of screws, the nut conveying assembly performs grabbing of the nuts through the manipulator assembly and screws the nuts onto the screws which are conveyed in place through the clamping claw, the screwed matched bolt is finally discharged through the discharging through hole, and the full-automatic operation mode of the bolt matching machine greatly reduces the labor intensity and the production cost and improves the production efficiency.

Preferably, a bolt vibration disc is arranged on the side face of the workbench, a bolt conveying track is fixed on the bolt vibration disc, an outlet of the bolt conveying track is arranged at the edge of the annular transmission chain, the bolt clamp body comprises a clamp base fixed on the annular transmission chain, a clamp sliding groove is formed in the upper end face of the clamp base, a bolt fixing seat matched with the outlet of the bolt conveying track is connected in the clamp sliding groove in a sliding mode, a bolt clamping groove is formed in one side, close to the bolt conveying track, of the bolt fixing seat, a reset spring is arranged between the bolt fixing seat and the clamp sliding groove, one end of the reset spring is fixed on the inner side wall of the clamp sliding groove, the other end of the reset spring is fixedly connected with the bolt fixing seat, and the bolt vibration disc is used for orderly arranging and conveying scattered bolts; wherein bolt fixing base can freely remove in anchor clamps spout, and reset spring plays bolt fixing base's reset effect, by the concerted action of each spare part of the aforesaid, has guaranteed that the bolt can pinpoint in the bolt anchor clamps body to realize the problem of playback, fine solution the difficult problem of bolt pinpointing in anchor clamps.

Preferably, the manipulator assembly comprises a horizontal cylinder fixed on a fixed frame, a horizontal sliding seat is fixed on the horizontal cylinder, a lifting cylinder is fixed on the horizontal sliding seat, a lifting seat is fixed on the lifting cylinder, a rotating motor is fixed on the lifting seat, clamping claws are installed on the rotating motor, a nut seat is fixed on the fixed frame and is arranged below the manipulator assembly, a nut vibrating disc is arranged on the side surface of the workbench, a nut conveying track is fixed on the nut vibrating disc, an outlet of the nut conveying track is arranged on the side surface of the nut seat, a bolt clamping seat is fixed at the bottom of the fixed frame and is positioned below the nut seat, and the nut vibrating disc is used for orderly arranging and conveying scattered nuts without stamps into the nut seats on the fixed frame; the clamping claws move to the nut seats under the coordination of the cylinders to grab the nuts, move the nuts to the positions above the bolts conveyed in place and then screw the nuts into the bolts under the control of the rotating motor, so that the functions of picking, moving and positioning the nuts and rotating and matching are realized.

Preferably, the conveying support is provided with a positioning assembly, the positioning assembly is respectively arranged opposite to the outlet of the bolt conveying track, opposite to the bolt clamping seat and right above the blanking through hole, the positioning assembly comprises a positioning support fixed on the side surface of the conveying support, a positioning chute and a cylinder support are fixed on the positioning support, the positioning chute is arranged between the cylinder support and the conveying support, a positioning slide rod is connected in the positioning chute in a sliding manner, a positioning cylinder is fixed on the cylinder support, a self-lubricating ball head rod end joint bearing is fixed on the positioning cylinder, the self-lubricating ball head rod end joint bearing is fixedly connected with the positioning slide rod, one end of the positioning slide rod penetrates through the cylinder support and is connected with the cylinder support in a sliding manner, a roller needle bearing matched with the bolt fixing seat is fixed on the other end of the positioning slide rod, and a bearing sleeve is sleeved outside the roller needle, the self-lubricating ball head rod end joint bearing is pushed to move, the positioning slide rod and the roller needle bearing on the positioning slide rod are driven to move synchronously, and the bolt fixing seat is pushed by the external bearing sleeve of the roller needle bearing in a slow motion mode, so that the bolt clamp is accurately positioned.

Preferably, the positioning bracket at the position of the blanking through hole is provided with an ejection assembly, the ejection assembly comprises an ejection chute fixed on the positioning bracket, the ejection chute is arranged between the cylinder bracket and the conveying bracket and is parallel to the positioning chute, the ejection chute is internally and slidably connected with an ejection slide bar, one end of the ejection slide bar penetrates through the cylinder bracket and is slidably connected with the cylinder bracket, the other end of the ejection slide bar is fixedly provided with an ejection seat matched with the bolt fixing seat, the cylinder bracket is fixedly provided with an ejection cylinder, the ejection cylinder is fixedly connected with the ejection seat, the main function of the ejection assembly is that the self-lubricating ball head rod end joint bearing is driven by the positioning cylinder to move, the positioning slide bar and the roller needle bearing on the positioning slide bar are driven to synchronously move, the bolt fixing seat is slowly pushed by an external bearing sleeve of the roller needle bearing, thereby, and the ejection seat on the ejection slide bar is driven to carry out clamp unloading on the matched bolt under the action of the ejection cylinder so as to enter the storage bin.

Preferably, a good product discharge hopper and a defective product discharge hopper are respectively fixed on the side surface of the workbench, the discharge through holes comprise a good product discharge through hole communicated with the good product discharge hopper and a defective product discharge through hole communicated with the defective product discharge hopper, a good product feed port matched with the good product discharge through hole is arranged at the top of the good product discharge hopper, a good product discharge port is arranged at the bottom of the good product discharge hopper, a gate component is installed at the good product discharge port and comprises gate cylinders symmetrically arranged at two sides of the good product discharge port, discharge baffles are respectively fixed on the gate cylinders at the two sides, the good product discharge hopper and the defective product discharge hopper are respectively used for distinguishing and discharging qualified products and unqualified products, wherein the good product discharge hopper mainly functions as automatic bagging of finished product matching bolts, woven bags are automatically clamped by two groups of gate-closed cylinders, and when the number of the bags reaches a required number, the discharge baffles gate the good product discharge port under the driving of the gate-closed cylinders, form the feed bin and carry out interim storage, change the pocket after, the blowing baffle is opened, and the material of interim storage is even and carry out in the new pocket with the finished product that newly gets into to accomplish the function of automatic feeding and change the pocket, and realize the function of automatic counting.

The utility model has the advantages that: the full-automatic operation mode greatly reduces the labor intensity and the production cost of workers and improves the production efficiency; the problem that the bolt can be accurately positioned in the clamp and can be restored is solved, and the problem that the bolt is accurately positioned in the clamp is well solved; and good products and defective products are distinguished to be respectively output in different routes.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is a schematic view of the structure of the table of FIG. 1;

FIG. 5 is a schematic structural view of the bolt conveyor assembly of FIG. 1;

FIG. 6 is a schematic view of the bolt clamp of FIG. 2;

FIG. 7 is a schematic structural view of the nut feeder assembly of FIG. 1;

FIG. 8 is a front view of the positioning assembly of FIG. 3;

FIG. 9 is a top view of the positioning assembly of FIG. 3;

FIG. 10 is a top view of the ejector assembly portion of the positioning assembly;

FIG. 11 is a schematic structural view of the good product discharge hopper in FIG. 1;

fig. 12 is a front view of fig. 11.

In the figure: 1. the automatic feeding device comprises a workbench, 2 parts of a bolt conveying assembly, 3 parts of a nut conveying assembly, 4 parts of a good product discharging hopper, 5 parts of a defective product discharging hopper, 6 parts of a conveying bracket, 7 parts of an annular transmission chain, 8 parts of a bolt clamp body, 9 parts of a bolt vibrating disc, 10 parts of a nut vibrating disc, 11 parts of a bolt conveying rail, 12 parts of a nut conveying rail, 13 parts of a fixing frame, 14 parts of a manipulator assembly, 15 parts of a clamping claw, 16 parts of a positioning assembly, 17 parts of a discharging through hole, 18 parts of a good product discharging through hole, 19 parts of a defective product discharging through hole, 20 parts of a clamp base, 21 parts of a reset spring, 22 parts of a clamp sliding groove, 23 parts of a bolt fixing base, 24 parts of a bolt clamping groove, 25 parts of a horizontal cylinder, 26 parts of a horizontal sliding base, 27 parts of a lifting cylinder, 28 parts, 31. the device comprises a bolt clamping seat, 32 positioning supports, 33 positioning sliding grooves, 34 cylinder supports, 35 positioning cylinders, 36 self-lubricating ball head rod end joint bearings, 37 positioning sliding rods, 38 roller needle bearings, 39 bearing sleeves, 40 ejection seats, 41 ejection assemblies, 42 ejection sliding grooves, 43 ejection sliding rods, 44 ejection cylinders, 45 good product feeding ports, 46 good product discharging ports, 47 locking assemblies, 48 locking cylinders and 49 discharging baffles.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, a bolt matching machine includes a workbench 1, a bolt conveying assembly 2 and a nut conveying assembly 3 are arranged on the workbench 1, as shown in fig. 2 and 5, the bolt conveying assembly 2 includes a conveying support 6 fixed on the workbench 1, an annular transmission chain 7 is installed on the conveying support 6, a plurality of bolt clamp bodies 8 which are uniformly distributed are fixed on the annular transmission chain 7, as shown in fig. 3, the nut conveying assembly 3 includes a fixing frame 13 installed on the side surface of the conveying support 6, a manipulator assembly 14 is installed on the fixing frame 13, the bottom of the manipulator assembly 14 is rotatably connected with a clamping claw 15, the clamping claw 15 is located above the annular transmission chain 7, as shown in fig. 4, a plurality of blanking through holes 17 are arranged on the upper end surface of the workbench 1, and the blanking through holes 17 are located below the annular transmission chain 7.

As shown in fig. 3, a bolt vibration disk 9 is arranged on the side surface of the workbench 1, a bolt conveying track 11 is fixed on the bolt vibration disk 9, and the outlet of the bolt conveying track 11 is arranged at the edge of the annular transmission chain 7.

As shown in fig. 2 and fig. 6, the bolt clamp body 8 includes a clamp base 20 fixed on the annular transmission chain 7, a clamp chute 22 is arranged on the upper end face of the clamp base 20, a bolt fixing seat 23 matched with the outlet of the bolt conveying track 11 is slidably connected in the clamp chute 22, a bolt clamping groove 24 is arranged on one side of the bolt fixing seat 23 close to the bolt conveying track, a return spring 21 is arranged between the bolt fixing seat 23 and the clamp chute 22, one end of the return spring 21 is fixed on the inner side wall of the clamp chute 22, and the other end of the return spring 21 is fixedly connected with the bolt fixing seat 23.

As shown in fig. 3 and 7, the robot assembly 14 includes a horizontal cylinder 25 fixed on the fixed frame 13, a horizontal sliding seat 26 fixed on the horizontal cylinder 25, a lifting cylinder 27 fixed on the horizontal sliding seat 26, a lifting seat 29 fixed on the lifting cylinder 27, a rotating motor 28 fixed on the lifting seat 29, the holding claw 15 mounted on the rotating motor 28, a nut seat 30 fixed on the fixed frame 13, and the nut seat 30 disposed below the robot assembly 14.

As shown in fig. 3 and 7, a nut vibration plate 10 is provided on a side surface of the table 1, a nut conveying rail 12 is fixed to the nut vibration plate 10, an outlet of the nut conveying rail 12 is disposed on a side surface of the nut seat 30, a bolt clamping seat 31 is fixed to a bottom of the fixing frame 13, and the bolt clamping seat 31 is located below the nut seat 30.

As shown in fig. 3, the conveying support 6 is provided with a positioning assembly 16, the positioning assembly 16 is respectively arranged opposite to the outlet of the bolt conveying track 11, opposite to the bolt clamping seat 31 and right above the blanking through hole 17, as shown in fig. 8 and 9, the positioning assembly 16 comprises a positioning support 32 fixed on the side surface of the conveying support 6, a positioning chute 33 and an air cylinder support 34 are fixed on the positioning support 32, the positioning chute 33 is arranged between the air cylinder support 34 and the conveying support 6, a positioning slide rod 37 is connected in the positioning chute 33 in a sliding manner, a positioning air cylinder 35 is fixed on the air cylinder support 34, a self-lubricating ball rod end knuckle bearing 36 is fixed on the positioning air cylinder 35, the self-lubricating ball rod end knuckle bearing 36 is fixedly connected with the positioning slide rod 37, one end of the positioning slide rod 37 penetrates through the air cylinder support 34 and is connected with the air cylinder support 34 in a sliding manner, a needle roller bearing 38 matched with, the roller needle roller bearing 38 is externally sleeved with a bearing sleeve 39.

As shown in fig. 10, the positioning bracket 32 at the blanking through hole 17 is provided with an ejection assembly 41, the ejection assembly 41 includes an ejection chute 42 fixed on the positioning bracket 32, the ejection chute 42 is disposed between the cylinder bracket 34 and the conveying bracket 6 and is parallel to the positioning chute 33, an ejection slide bar 43 is slidably connected in the ejection chute 42, one end of the ejection slide bar 43 penetrates through the cylinder bracket 34 and is slidably connected with the cylinder bracket 34, an ejection seat 40 matched with the bolt fixing seat 23 is fixed at the other end of the ejection slide bar 43, an ejection cylinder 44 is fixed on the cylinder bracket 34, and the ejection cylinder 44 is fixedly connected with the ejection seat 40.

As shown in fig. 1, a good product discharge hopper 4 and a defective product discharge hopper 5 are fixed to the side surface of the table 1, and as shown in fig. 4, the discharge through holes 17 include a good product discharge through hole 18 communicated with the good product discharge hopper 4 and a defective product discharge through hole 19 communicated with the defective product discharge hopper 5.

As shown in fig. 11 and 12, a good product feeding port 45 matched with the good product blanking through hole 18 is arranged at the top of the good product discharging hopper 4, a good product blanking port 46 is arranged at the bottom of the good product discharging hopper 4, a gate closing assembly 47 is installed at the good product blanking port 46, the gate closing assembly 47 comprises gate closing cylinders 48 symmetrically arranged at two sides of the good product blanking port 46, and discharging baffles 49 are fixed on the gate closing cylinders 48 at two sides.

The working process is as follows:

firstly, the bolt vibration disc 9 orderly arranges the scattered bolts without seal and conveys the scattered bolts to the side surface of a certain bolt clamp body 8 on the annular transmission chain 7; at the moment, the positioning cylinder 35 on the positioning assembly 16 opposite to the bolt conveying track 11 works to push the self-lubricating ball head rod end joint bearing 36 to move, so as to drive the positioning slide rod 37 and the roller needle bearing 38 on the positioning slide rod to move synchronously, and the bolt fixing seat 23 in the clamp sliding groove 22 is pushed slowly by the external bearing sleeve 39 of the roller needle bearing 38, so that the bolt clamping groove 24 on the bolt fixing seat 23 clamps the bolt conveyed in place; then the positioning cylinder 35 is reset, and the bolt fixing seat 23 is reset under the action of the reset spring 21.

Secondly, the nut vibrating disk 10 orderly arranges the scattered nuts without seal and conveys the nuts into the nut seat 30 on the fixed frame 13; when the bolt clamp body 8 with the bolt is transmitted to the lower part of the fixed frame 13, the positioning cylinder 35 on the positioning assembly 16 opposite to the bolt clamping seat 31 works to clamp the bolt in a matching way with the bolt clamping seat 31; after the manipulator assembly 14 works, the clamping claw 15 moves to the nut seat 30 under the cooperation of the horizontal cylinder 25 and the lifting cylinder 27 to grab the nut, moves the nut to the position above the bolt conveyed in place, and then screws the nut into the bolt under the control of the rotating motor 28 (in the screwing process, if unqualified products are encountered, the nut generates large resistance, and the nut is immediately lifted under the torque control of the rotating motor 28, so that the continuous action is abandoned, and meanwhile, the good products and the defective products are distinguished to be respectively subjected to different output routes).

Thirdly, when the matched bolt clamp body 8 is driven to be arranged above the blanking through hole 17, the positioning cylinder 35 right above the blanking through hole 17 works, meanwhile, the ejection cylinder 44 works to drive the ejection seat 40 on the ejection slide rod 43 to eject the bolt out of the bolt clamping groove 24, the bolt falls into the blanking through hole 17 to be blanked (qualified products enter the good product discharging hopper 4 through the good product blanking through hole 18 and the good product feeding hole 45 in sequence and finally fall into the woven bag at the good product discharging hole 46 to be blanked, when the quantity of the bag reaches the required quantity, the discharging baffle 49 is driven by the closing cylinder 48 to close the good product discharging hole 46 to form a storage bin to temporarily store the materials, after the material bag is replaced, the discharging baffle 49 is opened, the temporarily stored materials and newly-entered finished products are uniform and carry out new material bags, thereby the functions of automatically charging and replacing the material bags are completed, the function of automatically counting is realized, unqualified products fall into the defective product discharging hopper 5 through the defective product blanking through the defective product blanking Material).

Claims (6)

1. A bolt matching machine is characterized by comprising a workbench (1), wherein a bolt conveying assembly (2) and a nut conveying assembly (3) are arranged on the workbench (1), the bolt conveying assembly (2) comprises a conveying support (6) fixed on the workbench (1), an annular transmission chain (7) is installed on the conveying support (6), a plurality of bolt clamp bodies (8) which are uniformly distributed are fixed on the annular transmission chain (7), the nut conveying assembly (3) comprises a fixing frame (13) installed on the side face of the conveying support (6), a manipulator assembly (14) is installed on the fixing frame (13), the bottom of the manipulator assembly (14) is rotatably connected with a clamping claw (15), the clamping claw (15) is located above the annular transmission chain (7), and a plurality of blanking through holes (17) are formed in the upper end face of the workbench (1), the blanking through hole (17) is positioned below the annular transmission chain (7).

2. The bolt matching machine according to claim 1, characterized in that a bolt vibration disc (9) is arranged on the side surface of the workbench (1), a bolt conveying track (11) is fixed on the bolt vibration disc (9), the outlet of the bolt conveying track (11) is arranged at the edge of the annular transmission chain (7), the bolt clamp body (8) comprises a clamp base (20) fixed on the annular transmission chain (7), a clamp sliding groove (22) is arranged on the upper end surface of the clamp base (20), a bolt fixing seat (23) matched with the outlet of the bolt conveying track (11) is connected in the clamp sliding groove (22) in a sliding manner, a bolt clamping groove (24) is arranged on one side of the bolt fixing seat (23) close to the bolt conveying track, and a reset spring (21) is arranged between the bolt fixing seat (23) and the clamp sliding groove (22), one end of the return spring (21) is fixed on the inner side wall of the clamp sliding groove (22), and the other end of the return spring (21) is fixedly connected with the bolt fixing seat (23).

3. The bolt matching machine as claimed in claim 1, wherein the manipulator assembly (14) comprises a horizontal cylinder (25) fixed on a fixed frame (13), a horizontal sliding seat (26) is fixed on the horizontal cylinder (25), a lifting cylinder (27) is fixed on the horizontal sliding seat (26), a lifting seat (29) is fixed on the lifting cylinder (27), a rotating motor (28) is fixed on the lifting seat (29), the clamping jaw (15) is installed on the rotating motor (28), a nut seat (30) is fixed on the fixed frame (13), the nut seat (30) is arranged below the manipulator assembly (14), a nut vibrating disk (10) is arranged on the side surface of the workbench (1), a nut conveying track (12) is fixed on the nut vibrating disk (10), and an outlet of the nut conveying track (12) is arranged on the side surface of the nut seat (30), and a bolt clamping seat (31) is fixed at the bottom of the fixed frame (13), and the bolt clamping seat (31) is positioned below the nut seat (30).

4. The bolt matching machine according to claim 2 or 3, characterized in that a positioning component (16) is arranged on the conveying support (6), the positioning component (16) is respectively arranged on the opposite side of the outlet of the bolt conveying track (11), the opposite side of the bolt clamping seat (31) and right above the blanking through hole (17), the positioning component (16) comprises a positioning support (32) fixed on the side surface of the conveying support (6), a positioning sliding chute (33) and a cylinder support (34) are fixed on the positioning support (32), the positioning sliding chute (33) is arranged between the cylinder support (34) and the conveying support (6), a positioning sliding rod (37) is connected in the positioning sliding chute (33) in a sliding manner, a positioning cylinder (35) is fixed on the cylinder support (34), and a self-lubricating ball head rod end joint bearing (36) is fixed on the positioning cylinder (35), the self-lubricating ball head rod end joint bearing (36) is fixedly connected with a positioning slide rod (37), one end of the positioning slide rod (37) penetrates through the air cylinder support (34) and is in sliding connection with the air cylinder support (34), a roller needle bearing (38) matched with the bolt fixing seat (23) is fixed at the other end of the positioning slide rod (37), and a bearing sleeve (39) is sleeved outside the roller needle bearing (38).

5. The bolt matching machine as claimed in claim 4, wherein the positioning bracket (32) at the blanking through hole (17) is provided with an ejection assembly (41), the ejection component (41) comprises an ejection chute (42) fixed on the positioning bracket (32), the ejection chute (42) is arranged between the cylinder bracket (34) and the conveying bracket (6) and is parallel to the positioning chute (33), an ejection slide bar (43) is connected in the ejection chute (42) in a sliding way, one end of the ejection slide bar (43) penetrates through the air cylinder bracket (34) and is connected with the air cylinder bracket (34) in a sliding way, the other end of the ejection sliding rod (43) is fixed with an ejection seat (40) matched with the bolt fixing seat (23), an ejection cylinder (44) is fixed on the cylinder bracket (34), and the ejection cylinder (44) is fixedly connected with the ejection seat (40).

6. The bolt matching machine according to claim 1, wherein a good product discharge hopper (4) and a bad product discharge hopper (5) are respectively fixed on the side surface of the workbench (1), the blanking through holes (17) comprise good product blanking through holes (18) communicated with the good product discharge hopper (4) and defective product blanking through holes (19) communicated with the defective product discharge hopper (5), the top of the good product discharge hopper (4) is provided with a good product feed inlet (45) matched with the good product discharge through hole (18), a good product feed opening (46) is arranged at the bottom of the good product discharge hopper (4), a gate closing component (47) is arranged at the good product feed opening (46), the gate assembly (47) comprises gate cylinders (48) symmetrically arranged on two sides of the good product feed opening (46), and discharging baffles (49) are fixed on the gate cylinders (48) on the two sides.

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